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Gasterosteidae (sticklebacks)

Explore the diverse native fish species, such as sticklebacks, sculpins, temperate basses, and sunfishes, found in New York State. Learn about their physical characteristics, habitats, and behaviors to better understand these vital components of aquatic ecosystems.

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Gasterosteidae (sticklebacks)

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  1. Gasterosteidae (sticklebacks) • Small, unscaled body • Free spines anterior to dorsal fin • Pelvic fin consists of 1 spine • Narrow caudal peduncle brook stickleback (Culaea inconstans)) New York State Department of Environmental Conservation

  2. Gasterosteidae NFC’s Native Fish Gallery • 1 IA species • Golf-ball sized nest composed of fibers • Male guards nest, young • Prey on small animals brook stickleback (Culaea inconstans))

  3. Cottidae (sculpins) New York State Department of Environmental Conservation • Small body • Wide, flat head • Eyes on upper side of head; close together • Divided dorsal fin of spiny and soft components • Large pectoral fins slimy sculpin (Cottus cognatus))

  4. Cottidae http://www.nps.gov • 2 species in northeast IA • Bottom dwellers in cold streams, lakes; often co-occur with salmonids • Benthivorous Mottled sculpin (Cottus bairdi))

  5. Moronidae (temperate basses) Iowa Department of Natural Resources • Deep bodied, laterally compressed • Ctenoid scales • Dorsal fin completely divided; anterior portion with spines, posterior region mostly soft • 3 anal spines • Pelvic fins thoracic (jugular) • Spine on opercle • IA species with lateral stripes yellow bass (Morone mississippiensis))

  6. Moronidae • Random spawners (no nests) • Rivers, lakes, reservoirs • Prey on invertebrates, fish Ohio EPA white bass (Morone chrysops))

  7. Centrarchidae (sunfishes and basses) Ohio EPA • Deep bodied, laterally compressed • Ctenoid scales • Dorsal fin undivided; anterior portion with spines, posterior region mostly soft rays • 3-8 anal spines • Pelvic fins thoracic (jugular) • No spine on opercle bluegill (Lepomis macrochirus))

  8. Centrarchidae Ohio EPA • Nesters; male scoops out depression, guards nest • Many are game species • Small individuals consume invertebrates; large ones piscivorous largemouth bass (Micropterus salmoides))

  9. Percidae (perches) Ohio EPA • Ctenoid scales • Dorsal fin completely divided; anterior portion with spines, posterior region soft • 1-2 anal spines; 2nd spine not broad and long yellow perch (Perca flavescens))

  10. Percidae Ohio EPA • Important economically, recreationally, ecologically • Small individuals consume invertebrates; large ones piscivorous • Darters sensitive to environmental degradation; water-quality indicators walleye (Stizostedion vitreum)) Iowa DNR fantail darter (Etheostoma flabellare))

  11. Sciaenidae (drums) Ohio Department of Natural Resources • Large, humpbacked body • Subterminal mouth • Long, divided dorsal fin; anterior with spines, posterior soft • Pelvic fins thoracic or jugular in position • 1-2 anal spines; 2nd spine broad and long • Lateral line extends onto caudal fin freshwater drum (Aplodinotus grunniens))

  12. Sciaenidae • Rumbling sound produced by swim bladder • Benthivorous on invertebrates • Eggs, larvae float at water surface Ohio EPA freshwater drum (Aplodinotus grunniens))

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